Fannie Mae Whistleblower TalksFormer Fannie Mae accountant Roger Barnes gave evidence to Congress about how the firm was cooking its books to show higher profits. The scandal forced Fannie Mae CEO Franklin Raines to step down under fire this week. Barnes discusses why choose to blow the whistle with NPR's Frank Langfitt.

Former Fannie Mae accountant Roger Barnes gave evidence to Congress about how the firm was cooking its books to show higher profits. The scandal forced Fannie Mae CEO Franklin Raines to step down under fire this week. Barnes discusses why choose to blow the whistle with NPR's Frank Langfitt.